Notice：Always calibrate before use if: - Meter has been using(or hasn’t been using) for a long time - You want a highly accurate reading

Calibration Step： - Immerse the tester up to the maximum immersion level in pH 6.86 buffer solution.(Always use fresh buffers for calibration) - Allow the reading to stabilize and using a small screwdriver adjust the calibration trimmer to read 6.9. Done.

Founded by Hoang Nguyen. Exotic Aquaristic is based at Sydney, but caters to customers across Australia. We offer a wide range of aquatic driftwoods that are handpicked from around the world, so that our clients get only the best.